<template lang="">
    <div>
        <button @click="clickHandler">Call father</button>
    </div>
</template>
<script>
export default {
    data(){
        return{
            subject:'网站开发技术',
            score:88,
        };
    },
    methods:{
        clickHandler(){
            this.$emit('score',this.subject,this.score);
        }
    }
};
</script>
<style lang="">
    
</style>